CN102352776A - Gas buffer explosion-proof door - Google Patents
Gas buffer explosion-proof door Download PDFInfo
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- CN102352776A CN102352776A CN2011103447920A CN201110344792A CN102352776A CN 102352776 A CN102352776 A CN 102352776A CN 2011103447920 A CN2011103447920 A CN 2011103447920A CN 201110344792 A CN201110344792 A CN 201110344792A CN 102352776 A CN102352776 A CN 102352776A
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- gas buffer
- door
- buffer
- doorframe
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Abstract
The invention provides a gas buffer explosion-proof door and provides an active safety facility for a ventilation system of a coal mine. The gas buffer explosion-proof door comprises two door leaves, door frames and a hinge, and is characterized by further comprising counterweight devices, steel wire ropes, buffer seats, buffer blocks and gas buffer devices, wherein the counterweight devices are arranged on the side ground outside the door frames and connected with the door leaves through the steel wire ropes; the buffer seats are arranged on the side walls outside the door frames; the buffer blocks are arranged on the outer surfaces of the door leaves and correspond to the positions of the buffer seats; and each gas buffer device comprises a hinge seat and a gas buffer cylinder, the hinge seats are arranged on the side walls in the door frames and the gas buffer cylinders are hinged with the door leaves. The gas buffer explosion-proof door is simple in structure, safe and reliable, and can be reset fast, fast restore the ventilation system, enable the rescue and relief time to be advance, reduce casualties and reduce the loss caused by accidents, thus the explosion-proof performance and safety action of the explosion-proof door are greatly improved.
Description
Technical field
The invention belongs to the coalmine ventilation safety device, specifically a kind ofly be used for the explosion proof door that coal mine air-shaft has the gas buffer function.
Background technology
The explosion proof door of ventilating shaft is the explosion proof door of general common door form steel work in the existing coalmine ventilation safety device; In a single day run into the situation that well shooting takes place in the colliery; Explosion proof door very easily is destroyed or flies away from well head; Explosion proof door can't reset at short notice; Will cause like this and can't recover within a short period of time under the coal mine to ventilate; And then can't exhale pernicious gases; Allow the personnel of speedily carrying out rescue work lose and speedily carry out rescue work the relief time; Simultaneously also seriously jeopardize staff's life security under the coal mine, caused the disaster after accident takes place to enlarge.For this reason, for preventing under the impact of gas explosion, not destroy explosion proof door, the colliery presses for the explosion proof door that has more safety that can in time reset that research and development are used for the coalmine ventilation well.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, a kind of gas buffer that has is provided, absorb the impulse machine ability, the explosion proof door of safer reliable gas buffer function.
In order to realize above purpose, technical scheme of the present invention is:
A kind of gas buffer explosion proof door comprises two door leafs 1, doorframe 2 and hinge 3, and described two door leafs 1 are installed on the doorframe 2 through hinge 3; It is characterized in that: also comprise counter weight device 4, wire rope 5, buffing pad 6, buffer stopper 7 and gas buffer 8; Described counter weight device is loaded on the ground in the doorframe outside, and connects door leaf by wire rope; Described buffing pad is loaded on the outer side walls 15 of doorframe; Described buffer stopper is loaded on the external surface of door leaf, and corresponding with the position of buffing pad; Wherein: described gas buffer is made up of free bearing 8-1 and the gas buffer cylinder 8-2 that is hinged on the free bearing, and free bearing is loaded on the side walls 16 in the doorframe, and gas buffer cylinder and door leaf are hinged.
Described counter weight device comprise assembly pulley 4-1, counterweight 4-2, with support 4-3; Wherein: assembly pulley is contained on the support; Counterweight is connected with door leaf 1 by wire rope and through assembly pulley.
Described Compulsory reduction mechanism 9 is a kind of hinges with torsionspring, is loaded on door leaf 1 and the doorframe 2.
Described a kind of gas buffer explosion proof door is characterized in that: also comprise time-delay mechanism 10, described time-delay mechanism comprises base 10-1, cylinder 10-2, damping lever 10-3 and spring 10-4; Described cylinder is loaded on the base, and the damping lever is hinged on the damping lever dolly 10-5 on the base, and an end of spring hangs over one on damping lever, and the other end hangs on the damping lever dolly, and one on damping lever contacts with cylinder piston rod.
Substantive distinguishing features of the present invention with significant beneficial effect is:
When gas explosion takes place in the down-hole, in the process that door leaf is opened by impact generated by explosion ripple or high pressure draught, utilize in the gas buffer gaseous state to change to absorb mechanical energy and realize buffering, explosion proof door and linkage are played buffer protection function.Have gas buffer, absorb the impulse machine ability, the explosion proof door of safer reliable gas buffer function.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of Compulsory reduction mechanism among the present invention.
Fig. 4 is the structural representation of time-delay mechanism among the present invention.
Fig. 5 is the vertical view of Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further explanation.
As depicted in figs. 1 and 2, a kind of gas buffer explosion proof door.It comprises two door leafs 1, doorframe 2 and hinge 3, and described two door leafs 1 are installed on the doorframe 2 through hinge 3; It is characterized in that: also comprise counter weight device 4, wire rope 5, buffing pad 6, buffer stopper 7 and gas buffer 8; Described counter weight device is loaded on the outer side ground of doorframe, and connects door leaf by wire rope; Described buffing pad is loaded on the outer side walls 15 of doorframe; Described buffer stopper is loaded on the external surface of two door leafs, and corresponding with the position of buffing pad; Described counter weight device comprises assembly pulley 4-1, counterweight 4-2 and support 4-3; Wherein: assembly pulley is contained on the support; Balancing weight is connected with door leaf 1 by wire rope and through assembly pulley; Described Compulsory reduction mechanism 9 is a kind of hinges with torsionspring, is loaded on door leaf 1 and the doorframe 2.Wherein:
As shown in Figure 3, described gas buffer is made up of free bearing 8-1 and the gas buffer cylinder 8-2 that is hinged on the free bearing, and free bearing is loaded on the side walls 16 in the doorframe, and gas buffer cylinder and door leaf are hinged.
Like Fig. 4 and shown in Figure 5, described a kind of gas buffer explosion proof door is characterized in that: also comprise time-delay mechanism 10, described time-delay mechanism comprises base 10-1, cylinder 10-2, damping lever 10-3 and spring 10-4; Described cylinder is loaded on the base, and the damping lever is hinged on the damping lever dolly 10-5 on the base, and an end of spring hangs over one on damping lever, and the other end hangs on the damping lever dolly, and one on damping lever contacts with cylinder piston rod.
A kind of gas buffer explosion proof door of the present invention operating principle
When blast in the down-hole; Door leaf 2 is opened venting of dust explosion automatically by impact generated by explosion ripple or high pressure draught; In door leaf is opened process, utilize in the gas buffer 8 gas to be compressed or to be pumped into negative pressure and carry out work done and absorb mechanical energy and realize buffering, door leaf and hinge 3 are played a protective role; Gas buffer 8 can use with time-delay mechanism 10, and by behind the gas buffer, the time-delay reset ability of time-delay mechanism 10 reduces by the time of shock wave or high pressure draught effect door leaf 2 to door leaf 1, is further protected in opening procedure.The buffer stopper 7 that is installed on the door leaf external surface is after the gas buffer compression or being stretched to certain stroke, and compression cushions each other, reaches the effect of secondary buffer.After blower fan stopped, counterweight 4-2 opened door leaf, carried out natural ventilation; When blower fan was opened, door leaf leaned on the complete adhesive of blower fan negative pressure after being closed to certain angle under the effect of Compulsory reduction mechanism.
Claims (4)
1. gas buffer explosion proof door comprises two door leafs 1, doorframe 2 and hinge 3, and described two door leafs 1 are installed on the doorframe 2 through hinge 3; It is characterized in that: also comprise counter weight device 4, wire rope 5, buffing pad 6, buffer stopper 7 and gas buffer 8; Described counter weight device is loaded on the outer side ground of doorframe, and connects door leaf by wire rope; Described buffing pad is loaded on the outer side walls 15 of doorframe; Described buffer stopper is loaded on the external surface of door leaf, and corresponding with the position of buffing pad; Wherein: described gas buffer is made up of free bearing 8-1 and the gas buffer cylinder 8-2 that is hinged on the free bearing, and free bearing is loaded on the side walls 16 in the doorframe, and gas buffer cylinder and door leaf are hinged.
2. a kind of gas buffer explosion proof door according to claim 1 is characterized in that: described counter weight device comprises assembly pulley 4-1, balancing weight 4-2, support 4-3; Wherein: assembly pulley is contained on the support; Balancing weight is connected with door leaf 1 by wire rope and through assembly pulley.
3. a kind of gas buffer explosion proof door according to claim 1 is characterized in that: described Compulsory reduction mechanism 9 is a kind of hinges with torsionspring, is loaded on door leaf 1 and the doorframe 2.
4. a kind of gas buffer explosion proof door according to claim 1 is characterized in that: also comprise time-delay mechanism 10, described time-delay mechanism comprises base 10-1, cylinder 10-2, damping lever 10-3 and spring 10-4; Described cylinder is loaded on the base, and the damping lever is hinged on the damping lever dolly 10-5 on the base, and an end of spring hangs over one on damping lever, and the other end hangs on the damping lever dolly, and one on damping lever contacts with cylinder piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110344792 CN102352776B (en) | 2011-11-04 | 2011-11-04 | Gas buffer explosion-proof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110344792 CN102352776B (en) | 2011-11-04 | 2011-11-04 | Gas buffer explosion-proof door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102352776A true CN102352776A (en) | 2012-02-15 |
| CN102352776B CN102352776B (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110344792 Active CN102352776B (en) | 2011-11-04 | 2011-11-04 | Gas buffer explosion-proof door |
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| CN (1) | CN102352776B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541763A (en) * | 2013-11-08 | 2014-01-29 | 河南理工大学 | Guiding buffering anti-explosion device for vertical air shaft |
| CN103590852A (en) * | 2013-11-26 | 2014-02-19 | 刘刚 | Pressure-reducing fireproof door in subway tunnel |
Citations (8)
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|---|---|---|---|---|
| JPH04182600A (en) * | 1990-11-16 | 1992-06-30 | Fujita Corp | Opening/closing method of lock door in pneumatic shield method and device thereof |
| CN201215024Y (en) * | 2008-04-30 | 2009-04-01 | 永城煤电控股集团有限公司 | Automatic switching air door |
| US20090185864A1 (en) * | 2008-01-18 | 2009-07-23 | Floodbreak,L.L.C. | Automatic flooding protection for underground ventilation ducts |
| CN201687505U (en) * | 2010-05-15 | 2010-12-29 | 闫自强 | Mine automatically closed explosion-proof door |
| CN201865530U (en) * | 2010-11-19 | 2011-06-15 | 山西晋城无烟煤矿业集团有限责任公司 | Rotary explosion-proof door |
| CN201874601U (en) * | 2010-11-09 | 2011-06-22 | 张哲� | Explosion-proof shaft cover for return-air vertical shafts |
| CN202023579U (en) * | 2011-01-27 | 2011-11-02 | 山西潞安环保能源开发股份有限公司 | Self-restoring explosion-proof door |
| CN202360144U (en) * | 2011-11-04 | 2012-08-01 | 山西创奇实业有限公司 | Gas buffer explosion door |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4182600B2 (en) * | 1999-08-23 | 2008-11-19 | 市光工業株式会社 | Vehicle lamp using LED light source |
-
2011
- 2011-11-04 CN CN 201110344792 patent/CN102352776B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04182600A (en) * | 1990-11-16 | 1992-06-30 | Fujita Corp | Opening/closing method of lock door in pneumatic shield method and device thereof |
| US20090185864A1 (en) * | 2008-01-18 | 2009-07-23 | Floodbreak,L.L.C. | Automatic flooding protection for underground ventilation ducts |
| CN201215024Y (en) * | 2008-04-30 | 2009-04-01 | 永城煤电控股集团有限公司 | Automatic switching air door |
| CN201687505U (en) * | 2010-05-15 | 2010-12-29 | 闫自强 | Mine automatically closed explosion-proof door |
| CN201874601U (en) * | 2010-11-09 | 2011-06-22 | 张哲� | Explosion-proof shaft cover for return-air vertical shafts |
| CN201865530U (en) * | 2010-11-19 | 2011-06-15 | 山西晋城无烟煤矿业集团有限责任公司 | Rotary explosion-proof door |
| CN202023579U (en) * | 2011-01-27 | 2011-11-02 | 山西潞安环保能源开发股份有限公司 | Self-restoring explosion-proof door |
| CN202360144U (en) * | 2011-11-04 | 2012-08-01 | 山西创奇实业有限公司 | Gas buffer explosion door |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541763A (en) * | 2013-11-08 | 2014-01-29 | 河南理工大学 | Guiding buffering anti-explosion device for vertical air shaft |
| CN103541763B (en) * | 2013-11-08 | 2015-11-18 | 河南理工大学 | Vertical ventilating shaft guiding buffering explosion protection device |
| CN103590852A (en) * | 2013-11-26 | 2014-02-19 | 刘刚 | Pressure-reducing fireproof door in subway tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102352776B (en) | 2013-09-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Gas buffer explosion-proof door Effective date of registration: 20191017 Granted publication date: 20130904 Pledgee: Shanxi finance Company limited by guarantee Pledgor: Shanxi Chuangqi Industry Co., Ltd. Registration number: Y2019980000277 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200925 Granted publication date: 20130904 Pledgee: Shanxi finance Company limited by guarantee Pledgor: SHANXI CHUANGQI INDUSTRY Co.,Ltd. Registration number: Y2019980000277 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |